WD My Passport 4TB portable HDD Gray 80000619 WDBRMD0040BGY-WESN Product Description: WD My Passport WDBRMD0040BGY-WESN - hard drive - 4 TB - USB 3.2 Gen 1 Type: Hard drive - external (portable) Capacity: 4 TB Hardware Encryption: Yes Encryption Algorithm: 256-bit AES Interface: USB 3.2 Gen 1 Data Transfer Rate: 5.0 Gbps (USB 3.2 Gen 1) Power Source: USB bus Enclosure Colour: Silicon grey Dimensions (WxDxH): 107.2 mm x 75 mm x 19.15 mm Weight: 210 g Manufacturer Warranty: 3-year warranty